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Audi A5 Sportback vs Audi A3 Limousine comparison

Compare performance (639 HP vs 400 HP), boot space and price (40,200 £ vs 27,700 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Audi A3 Limousine?

Audi A5 Sportback vs Audi A3 Limousine: Key differences

Audi A5 Sportback

  • markedly more power
  • clearly more efficient
  • only slightly quicker 0–100 km/h

Audi A3 Limousine

  • significantly cheaper
  • noticeably lighter
  • markedly more trunk space

Here’s where it gets real: The technical differences in detail

A5 Sportback

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Audi A3 Limousine is significantly cheaper – starting at 27,700 £ , while the Audi A5 Sportback costs 40,200 £ . That’s a price difference of around 12,515 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is clearly more efficient than the Audi A3 Limousine with 4.4 L/100km. The difference is about 2.4 L/100km.

A3 Limousine

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A5 Sportback offers markedly more power – delivering 639 HP compared to 400 HP. That’s roughly 239 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is only slightly quicker – completing the sprint in 3.7 s, while the Audi A3 Limousine takes 3.8 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers markedly more torque with 825 Nm compared to 500 Nm. That’s about 325 Nm more.

A5 Sportback

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A3 Limousine is noticeably lighter – 1,360 kg compared to 1,770 kg. The difference is around 410 kg.

Looking at boot space, the Audi A3 Limousine offers markedly more boot space – 425 L compared to 331 L. That’s a difference of about 94 L.

When it comes to payload, the Audi A5 Sportback carries very slightly more – 530 kg compared to 480 kg. That’s a difference of about 50 kg.

Who wins the race in the data check?

The Audi A5 Sportback is far ahead overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 639 HP
  • Consumption L/100km : 2 - 7.6 L/100km
  • Electric Range : 84 - 110 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Audi A3 Limousine

The Audi A3 sedan dresses up compact practicality in clean, premium lines, giving you the feel of an upscale small car with a proper boot. Inside it’s neat, driver-focused and nicely finished — a sensible, enjoyable daily companion that prefers poise over showy theatrics.

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Audi A3 Limousine

Costs and Consumption
Price
40,200 - 91,000 £
Price
27,700 - 58,300 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
4.4 - 9.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
-
Battery Capacity
20.7 kWh
Battery Capacity
-
co2
45 - 172 g/km
co2
115 - 208 g/km
Fuel tank capacity
46 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
4 - 5
Seats
5
Doors
5
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
1,360 - 1,640 kg
Trunk capacity
331 L
Trunk capacity
321 - 425 L
Length
4,829 mm
Length
-
Width
1,860 - 1,952 mm
Width
1,816 - 1,851 mm
Height
1,444 mm
Height
-
Max trunk capacity
1,175 L
Max trunk capacity
-
Payload
475 - 530 kg
Payload
415 - 480 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
150 - 639 HP
Power HP
116 - 400 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.8 - 10.1 s
Max Speed
250 km/h
Max Speed
-
Torque
280 - 825 Nm
Torque
220 - 500 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 5
Power kW
110 - 470 kW
Power kW
85 - 294 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,498 - 2,480 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D, C, E, G
Brand
Audi
Brand
Audi
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback is available as All-Wheel Drive or Front-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.